Nearly all email systems, including those of Email Sender Providers and network operators, at some point have delivery issues because their sending IPs or domains are on a blocklist. This document shares established procedures defining how to triage and respond to a blocklisting to assist in a timely and effective resolution.  Version 1.0.1 was updated in February 2018.

Email abuse rates can significantly affect a sender’s reputation and, consequently, its ability to deliver customers’ emails to the inbox. This paper explains some of the common processes senders can use to effectively manage and monitor email complaints and to help their customers, who are the list owners, develop healthy email practices that generate better results.
of email lists.